用计算器求下式的值: (1)tan75°; (2)tan54°45′.

题型:解答题

问题:

用计算器求下式的值:

(1)tan75°;

(2)tan54°45′.

考点:计算器的使用
题型:解答题

胡 * * 之所以强调党的先进性建设是马克思主义政党自身建设的根本任务,是因为先进性是马克思主义政党的( )。

A.根本特征

B.生命所系

C.基础所在

D.力量所在

题型:解答题

据统计,我国西部有的农村地区人口老龄化也十分严重,这一现象正在引起人们的关注。据此回答1-2 题。

1.一些农村的人口老龄化比城市严重的主要原因是[     ]

A.农村人口身体素质更好

B.城市环境问题较严重

C.农村医疗卫生条件得到更多改善

D.农村地区大量青壮年外出打工

2.应对农村老龄化问题的对策是[     ]

A.控制农村青年劳动力外流,提高年轻人比例

B.增加农业生产的资金投入,提高农业生产力

C.增加老年劳动力就业岗位,让他们发挥余热

D.实行土地保障、家庭养老和社会保障相结合的措施

题型:解答题
Soon it would be the holidays, but before that, there were year exams. All the 36 had been working hard for some time, reviewing their lessons for the exams. If they didn’t  37 , they would have to retake them in September. There were usually a few who  38 , but Jane didn’t want to be one of them. She had worked hard all year,  39  just before the exams she was working so hard that her sister Barbara was  40  about her. She went to bed too  41 . The night before the first exam, Barbara  42  that she have an early night and take a  43 pill. She promised to wake  44  up in the morning.
As she was falling asleep, Jane was afraid that she might oversleep. Her  45  kept jumping from subject to subject. At last, with the help of  46 , she went to sleep. In no time at all, she was sitting in the examination hall, looking at the examination  47 , but she couldn’t answer any of the questions.  48 around her was writing pages and gages.  49 she thought hard, she couldn’t find anything to write  50 . She kept looking at her  51 . Time was running out. There was only an hour to go. She started one question, wrote two sentences,  52  and tried another one. With only half an hour left she wrote another two sentences. By this time she was so worried that she started  53 . Her whole body shook. It shook so much that she  54  up. She was still in bed and it had all been a  55  dream. A minute later, Barbara called her name.
小题1:
A.teachersB.studentsC.classmatesD.schools
小题2:
A.prepareB.missC.joinD.pass
小题3:
A.succeededB.failedC.endedD.called
小题4:
A.butB.soC.andD.because
小题5:
A.excitedB.frightenedC.worriedD.pleased
小题6:
A.earlyB.lateC.heavilyD.eagerly
小题7:
A.insistedB.hopedC.orderedD.wished
小题8:
A.sleepingB.restingC.excitingD.breathing
小题9:
A.himB.herC.themD.herself
小题10:
A.handB.eyeC.mindD.body
小题11:
A.her sisterB.her parentsC.the lessonsD.the medicine
小题12:
A.resultB.marksC.deskD.paper
小题13:
A.The teacherB.The studentsC.No oneD.Everyone
小题14:
A.IfB.ThoughC.SoD.How
小题15:
A.withB.aboutC.onD.to
小题16:
A.watchB.textbookC.sisterD.subject
小题17:
A.gave upB.put offC.looked aroundD.thought over
小题18:
A.examiningB.leavingC.copyingD.crying
小题19:
A.raisedB.wokeC.stoodD.cheered
小题20:
A.niceB.wonderfulC.terribleD.special
题型:解答题

党和国家各项工作的出发点和判断所有问题的根本标准是[ ]

A.是否有利于发展社会主义社会的生产力

B.是否有利于增强社会主义国家的综合国力

C.是否有利于提高人民的生活水平

D.是否符合中央领导人的想法

题型:解答题

1993年,南京理工大学举行纪念哈军工创建暨校庆()周年大会。

A.20

B.30

C.40

D.50

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